Peter Firth Harry Pearce Actor Hugh Simon Actor Nicola Walker Ruth Evershed Actor Rupert Penry-Jones Adam Carter Actor Miranda Raison Jo Portman Actor Hermione Norris Ros Myers Actor Raza Jaffrey Zafar Younis Actor Anna Chancellor Juliet Shaw Actor Gugu Mbatha-Raw Actor Phyllis Logan Guest Star Charles Mayer Guest Star Anthony Flanagan Guest Star Tom Beard Guest Star Derek Hutchinson Guest Star Michael Carter Guest Star Phoebe Nicholls Guest Star Stewart Wright Guest Star Julian Holmes Director David Farr Writer Simon Crawford-Collins Executive Producer Jane Featherstone Executive Producer